Fix: fixed wrong usages of CRYPTO_PUBLIC_KEY_SIZE to CRYPTO_SECRET_KEY_SIZE.

Author: goldroom

toxcore/crypto_core.c

@@ -651,7 +651,7 @@ void crypto_hkdf(uint8_t *output1, uint8_t *output2, const uint8_t *data,
  */
 int32_t noise_mix_key(uint8_t chaining_key[CRYPTO_SHA512_SIZE],
                       uint8_t shared_key[CRYPTO_SHARED_KEY_SIZE],
-                      const uint8_t private_key[CRYPTO_PUBLIC_KEY_SIZE],
+                      const uint8_t private_key[CRYPTO_SECRET_KEY_SIZE],
                       const uint8_t public_key[CRYPTO_PUBLIC_KEY_SIZE])
 {
     uint8_t dh_calculation[CRYPTO_PUBLIC_KEY_SIZE];

toxcore/crypto_core.h

@@ -601,7 +601,7 @@ void crypto_hkdf(uint8_t *output1, uint8_t *output2, const uint8_t *data,
  * @param public_key X25519 public key
  */
 int32_t noise_mix_key(uint8_t chaining_key[CRYPTO_SHA512_SIZE], uint8_t shared_key[CRYPTO_SHARED_KEY_SIZE],
-                      const uint8_t private_key[CRYPTO_PUBLIC_KEY_SIZE],
+                      const uint8_t private_key[CRYPTO_SECRET_KEY_SIZE],
                       const uint8_t public_key[CRYPTO_PUBLIC_KEY_SIZE]);
 
 /**

toxcore/net_crypto.c

@@ -560,7 +560,7 @@ static int noise_handshake_init
     /* Sets the initiator, s => ephemeral keys are set afterwards */
     noise_handshake->initiator = initiator;
     if (self_secret_key != nullptr) {
-        memcpy(noise_handshake->static_private, self_secret_key, CRYPTO_PUBLIC_KEY_SIZE);
+        memcpy(noise_handshake->static_private, self_secret_key, CRYPTO_SECRET_KEY_SIZE);
         crypto_derive_public_key(noise_handshake->static_public, self_secret_key);
 
         //TODO: remove
@@ -661,7 +661,7 @@ static int create_crypto_handshake(const Net_Crypto *c, uint8_t *packet, const u
             */
         if (noise_handshake->initiator) {
             /* set ephemeral private+public */
-            memcpy(noise_handshake->ephemeral_private, ephemeral_private, CRYPTO_PUBLIC_KEY_SIZE);
+            memcpy(noise_handshake->ephemeral_private, ephemeral_private, CRYPTO_SECRET_KEY_SIZE);
             memcpy(noise_handshake->ephemeral_public, ephemeral_public, CRYPTO_PUBLIC_KEY_SIZE);
 
             /* e */
@@ -756,7 +756,7 @@ static int create_crypto_handshake(const Net_Crypto *c, uint8_t *packet, const u
             */
         else {
             /* set ephemeral private+public */
-            memcpy(noise_handshake->ephemeral_private, ephemeral_private, CRYPTO_PUBLIC_KEY_SIZE);
+            memcpy(noise_handshake->ephemeral_private, ephemeral_private, CRYPTO_SECRET_KEY_SIZE);
             memcpy(noise_handshake->ephemeral_public, ephemeral_public, CRYPTO_PUBLIC_KEY_SIZE);
 
             /* e */

toxcore/net_crypto.h

@@ -135,9 +135,9 @@ non_null() DHT *nc_get_dht(const Net_Crypto *c);
  */
 typedef struct Noise_Handshake {
     //TODO: static_private?
-    uint8_t static_private[CRYPTO_PUBLIC_KEY_SIZE];
+    uint8_t static_private[CRYPTO_SECRET_KEY_SIZE];
     uint8_t static_public[CRYPTO_PUBLIC_KEY_SIZE];
-    uint8_t ephemeral_private[CRYPTO_PUBLIC_KEY_SIZE];
+    uint8_t ephemeral_private[CRYPTO_SECRET_KEY_SIZE];
     uint8_t ephemeral_public[CRYPTO_PUBLIC_KEY_SIZE];
     uint8_t remote_static[CRYPTO_PUBLIC_KEY_SIZE];
     uint8_t remote_ephemeral[CRYPTO_PUBLIC_KEY_SIZE];
@@ -161,8 +161,8 @@ typedef struct New_Connection {
     //TODO: if no struct necessary
     // uint8_t noise_hash[CRYPTO_SHA512_SIZE];
     // uint8_t noise_chaining_key[CRYPTO_SHA512_SIZE];
-    // uint8_t niose_send_key[CRYPTO_PUBLIC_KEY_SIZE];
-    // uint8_t noise_recv_key[CRYPTO_PUBLIC_KEY_SIZE];
+    // uint8_t niose_send_key[CRYPTO_SHARED_KEY_SIZE];
+    // uint8_t noise_recv_key[CRYPTO_SHARED_KEY_SIZE];
     // bool initiator;
 
     uint8_t *cookie;